{"id":"vidhyamitra:city-day:ayodhya:2188-09-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2188-09-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2188-09-13","date_display":"September 13, 2188 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2188,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2520466.770833,"kali_year":5290,"ahargana":1932001.2708,"sun":{"sidereal_longitude":143.4093,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":46.5544,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":263.1451,"elapsed_within_tithi_degrees":11.1451},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2,"moon_longitude":46.5544,"elapsed_within_degrees":6.5544},"yoga":{"number":15,"name":"Vajra","sum_longitude":189.9636},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":2188,"month":9,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2520466.770833,"ahargana":1932001.2708,"kali_year":5290,"ayanamsa_lahiri":26.489,"grahas":{"sun":{"sidereal_longitude":144.58529199999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":43.72769199999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false,"latitude":-0.5261},"mars":{"sidereal_longitude":111.32539199999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":124.072992,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":336.296192,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":107.83509200000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":174.16959199999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":53.2752,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":233.2752,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2188,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2520466.770833,"kali_year":5290,"ahargana":1932001.2708,"sun":{"sidereal_longitude":143.4093,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":46.5544,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":263.1451,"elapsed_within_tithi_degrees":11.1451},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2,"moon_longitude":46.5544,"elapsed_within_degrees":6.5544},"yoga":{"number":15,"name":"Vajra","sum_longitude":189.9636},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.526,"elongation":96.855},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.526,"opposition_distance":83.145}},"eclipse_window_40days":[]},"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:46","sunsetLocal":"18:07","solarNoonLocal":"11:56","dayLengthHours":12.36338087408302,"dayLengthDisplay":"12 Hours 21 Mins 48 Secs","nightLengthDisplay":"11 Hours 38 Mins 12 Secs","moonriseLocal":"22:23","moonsetLocal":"12:03","rahuKala":{"name":"Rāhu Kāla","start":"08:51","end":"10:24","startHours":8.849656932648145,"endHours":10.395079541908522,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:29","end":"15:02","startHours":13.485924760429278,"endHours":15.031347369689655,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:46","end":"07:18","startHours":5.758811714127391,"endHours":7.304234323387768,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:39","end":"09:03","startHours":8.643600584746762,"endHours":9.05571328054953,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:16","end":"06:36","startHours":6.27395258388085,"endHours":6.603642740523064,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:32","end":"12:21","startHours":11.528389455366133,"endHours":12.352614846971667,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:07","end":"04:56","startHours":4.110360930916322,"endHours":4.934586322521856,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:44","end":"05:46","startHours":4.728529974620472,"endHours":5.758811714127391,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:00","end":"14:50","startHours":14.001065630182737,"endHours":14.82529102178827,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:55","end":"18:19","startHours":17.92219258821041,"endHours":18.32219258821041,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:07","end":"18:38","startHours":18.12219258821041,"endHours":18.63733345796387,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:52","end":"19:37","startHours":17.87219258821041,"endHours":19.62219258821041,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:32","end":"00:21","startHours":23.52838945536613,"endHours":24.35261484697167,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:46","end":"07:18","startHours":5.758811714127391,"endHours":7.304234323387768,"quality":"inauspicious"},{"name":"Śubha","start":"07:18","end":"08:51","startHours":7.304234323387768,"endHours":8.849656932648145,"quality":"auspicious"},{"name":"Roga","start":"08:51","end":"10:24","startHours":8.849656932648145,"endHours":10.395079541908522,"quality":"inauspicious"},{"name":"Udveg","start":"10:24","end":"11:56","startHours":10.395079541908522,"endHours":11.9405021511689,"quality":"inauspicious"},{"name":"Chala","start":"11:56","end":"13:29","startHours":11.9405021511689,"endHours":13.485924760429278,"quality":"neutral"},{"name":"Labha","start":"13:29","end":"15:02","startHours":13.485924760429278,"endHours":15.031347369689655,"quality":"auspicious"},{"name":"Amṛta","start":"15:02","end":"16:35","startHours":15.031347369689655,"endHours":16.576769978950033,"quality":"auspicious"},{"name":"Kāla","start":"16:35","end":"18:07","startHours":16.576769978950033,"endHours":18.12219258821041,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:07","end":"19:35","startHours":18.12219258821041,"endHours":19.576769978950033,"quality":"auspicious"},{"name":"Amṛta","start":"19:35","end":"21:02","startHours":19.576769978950033,"endHours":21.031347369689655,"quality":"auspicious"},{"name":"Kāla","start":"21:02","end":"22:29","startHours":21.031347369689655,"endHours":22.485924760429278,"quality":"inauspicious"},{"name":"Śubha","start":"22:29","end":"23:56","startHours":22.485924760429278,"endHours":23.9405021511689,"quality":"auspicious"},{"name":"Roga","start":"23:56","end":"01:24","startHours":23.9405021511689,"endHours":25.395079541908522,"quality":"inauspicious"},{"name":"Udveg","start":"01:24","end":"02:51","startHours":25.395079541908522,"endHours":26.849656932648145,"quality":"inauspicious"},{"name":"Chala","start":"02:51","end":"04:18","startHours":26.849656932648145,"endHours":28.304234323387767,"quality":"neutral"},{"name":"Labha","start":"04:18","end":"05:46","startHours":28.304234323387767,"endHours":29.75881171412739,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:46","end":"06:46","startHours":5.758811714127391,"endHours":6.758811714127391,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:46","end":"07:46","startHours":6.758811714127391,"endHours":7.758811714127391,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:46","end":"08:46","startHours":7.758811714127391,"endHours":8.75881171412739,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:46","end":"09:46","startHours":8.75881171412739,"endHours":9.75881171412739,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:46","end":"10:46","startHours":9.75881171412739,"endHours":10.75881171412739,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:46","end":"11:46","startHours":10.75881171412739,"endHours":11.75881171412739,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:46","end":"12:46","startHours":11.75881171412739,"endHours":12.75881171412739,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:46","end":"13:46","startHours":12.75881171412739,"endHours":13.75881171412739,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:46","end":"14:46","startHours":13.75881171412739,"endHours":14.75881171412739,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:46","end":"15:46","startHours":14.75881171412739,"endHours":15.75881171412739,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:46","end":"16:46","startHours":15.75881171412739,"endHours":16.75881171412739,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:46","end":"17:46","startHours":16.75881171412739,"endHours":17.75881171412739,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:46","end":"18:46","startHours":17.75881171412739,"endHours":18.75881171412739,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:46","end":"19:46","startHours":18.75881171412739,"endHours":19.75881171412739,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:46","end":"20:46","startHours":19.75881171412739,"endHours":20.75881171412739,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:46","end":"21:46","startHours":20.75881171412739,"endHours":21.75881171412739,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:46","end":"22:46","startHours":21.75881171412739,"endHours":22.75881171412739,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:46","end":"23:46","startHours":22.75881171412739,"endHours":23.75881171412739,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:46","end":"00:46","startHours":23.75881171412739,"endHours":24.75881171412739,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:46","end":"01:46","startHours":24.75881171412739,"endHours":25.75881171412739,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:46","end":"02:46","startHours":25.75881171412739,"endHours":26.75881171412739,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:46","end":"03:46","startHours":26.75881171412739,"endHours":27.75881171412739,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:46","end":"04:46","startHours":27.75881171412739,"endHours":28.75881171412739,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:46","end":"05:46","startHours":28.75881171412739,"endHours":29.75881171412739,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":3.5379501722875335,"eotMinutes":4.753870929866006,"ayanamsa":26.489}},"calendars":{"vikram_samvat":2245,"vikram_samvatsara":"Plava","saka_samvat":2110,"saka_samvatsara":"Sarvadhāri","bengali_samvat":1595,"malayalam_era":1364,"nanakshahi_year":719,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Saptamī · Vikram 2245 Plava · Śaka 2110 Sarvadhāri"},"festivals":[{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"ayodhya"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga September 13, 2188 CE · Ayodhyā · Vidhyamitra","description":"September 13, 2188 CE for Ayodhyā: Kṛṣṇa Saptamī, sūryodaya 05:46, sūryāsta 18:07.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2188-09-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2188-09-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/2188-09-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/2188-09-13","x-default":"https://vidhyamitra.com/city/ayodhya/2188-09-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-22T16:09:55.459Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-05-22T16:09:55.459Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-22T16:09:55.459Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}